What is the first ionisation energy? Write the equation for the first ionisation of Chlorine.

The first ionisation energy is the energy required to remove an electron from a gaseous atom.
The equation for the first ionisation of Chlorine is: Cl (g) --> Cl+ (g) + e-

KB

Related Chemistry GCSE answers

All answers ▸

Explain why potassium is more reactive than sodium, giving the balanced chemical symbol equation for the reaction of potassium and water.


Describe the bonding and structure in solid sodium chloride


Describe how and explain why vegetable oils are hardened for use in foods. [5 marks]


Explain the effect of raising the temperature of exothermic equilibrium reaction.